Home / 66,829,787.10-100,219,485.60-27,970,931.85

Finding the Fourth Proportional to 66,829,787.10, 100,219,485.60 and 27,970,931.85

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Solution

The fourth proportional to 66,829,787.10, 100,219,485.60 and 27,970,931.85 is: 41,945,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,829,787.10 : 100,219,485.60 = 27,970,931.85 : x
  2. Step 2: Convert to fraction form
    66,829,787.10/100,219,485.60 = 27,970,931.85/x
  3. Step 3: Cross multiply
    66,829,787.10x = 100,219,485.60 × 27,970,931.85
  4. Step 4: Simplify right side
    66,829,787.10x = 2,803,232,401,383,833.50
  5. Step 5: Solve for x
    x = 2,803,232,401,383,833.50/66,829,787.10
  6. Step 6: Final answer
    x = 41,945,852.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.